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Methyl sulfoxide, 99.8+%, for molecular biology, DNAse, RNAse and Protease free, Thermo Scientific Chemicals

Catalog Number 10397841
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250 mL
Glass Bottle


This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Melting Point 18.4°C
CAS 67-68-5
Density 1.1000g/mL
Boiling Point 189.0°C
Quantity 250 mL
Flash Point 87°C
Packaging Glass Bottle
Physical Form Liquid at 20°C
Refractive Index 1.4770 to 1.4800
Assay Percent Range 99.8+%
Residue after Evaporation 0.001% max.
Specific Gravity 1.1
Molecular Formula C2H6OS
Linear Formula (CH3)2SO
MDL Number MFCD00002089
Viscosity 1.987 mPa.s (25°C)
Beilstein 01, IV, 1277
Water 0.1% max. (Coulometric)
Fieser 01,296; 02,157; 03,119; 04,192; 05,263; 06,225; 07,133; 08,198; 09,189; 10,166; 12,212; 13,124; 15,146; 16,149; 17,127
Merck Index 15, 3285
Synonym dimethyl sulfoxide, dmso, methyl sulfoxide, dimethylsulfoxide, dimethyl sulphoxide, methane, sulfinylbis, demsodrox, demasorb, demavet, dimexide
Solubility Information Solubility in water: soluble. Other solubilities: soluble in alcohol, benzene, acetone, chloroform,, diethyl ether and aromatic hydrocarbons
IUPAC Name methylsulfinylmethane
Molecular Weight (g/mol) 78.13
PubChem CID 679
Formula Weight 78.13
Percent Purity ≥99.8%
Grade Molecular Biology
Chemical Name or Material Methyl sulfoxide
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RUO – Research Use Only

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